Table 3 Summary of the number of cigarettes smoked and estimated amount of nicotine delivered
Exclusive e-Cigarette use | Dual use | Nicotine cessation | ||||||
|---|---|---|---|---|---|---|---|---|
Tobacco rechargeable | Cherry rechargeable | Cherry disposable | Tobacco rechargeable | Cherry rechargeable | Cherry disposable | - | ||
Screening | Cigarettes | 18.4 ± 7.1 | 17.3 ± 6.2 | 15.4 ± 3.3 | 18.7 ± 6.6 | 20.5 ± 7.3 | 21.1 ± 5.8 | 20.4 ± 7.5 |
Day −1 | Cigarettes | 16.9 ± 5.1 | 15.8 ± 5.4 | 14.9 ± 1.5 | 14.5 ± 4.5 | 14.2 ± 2.0 | 14.8 ± 2.4 | 17.5 ± 4.9 |
Day 1 | Cigarettes | NA | NA | NA | 8.9 ± 3.1 | 9.6 ± 2.7 | 9.8 ± 2.0 | NA |
E-cigarette nicotine | 14.9 ± 15.2 | 17.7 ± 16.9 | 13.6 ± 11.0 | 8.9 ± 6.9 | 4.6 ± 3.3 | 5.6 ± 3.4 | NA | |
Day 2 | Cigarettes | NA | NA | NA | 8.9 ± 2.9 | 9.5 ± 2.8 | 9.9 ± 1.9 | NA |
E-cigarette nicotine | 17.2 ± 15.1 | 17.6 ± 14.3 | 19.6 ± 16.8 | 11.1 ± 7.8 | 6.5 ± 5.5 | 7.4 ± 7.2 | NA | |
Day 3 | Cigarettes | NA | NA | NA | 8.9 ± 3.0 | 9.5 ± 2.5 | 10.1 ± 2.0 | NA |
E-cigarette nicotine | 16.3 ± 13.4 | 19.8 ± 16.9 | 19.4 ± 20.0 | 12.4 ± 9.5 | 6.2 ± 6.5 | 9.4 ± 9.8 | NA | |
Day 4 | Cigarettes | NA | NA | NA | 9.0 ± 3.2 | 9.7 ± 2.9 | 10.0 ± 2.0 | NA |
E-cigarette nicotine | 18.4 ± 14.6 | 20.8 ± 14.2 | 23.4 ± 21.0 | 13.3 ± 10.7 | 7.5 ± 8.3 | 9.9 ± 9.1 | NA | |
Day 5 | Cigarettes | NA | NA | NA | 9.0 ± 3.3 | 9.6 ± 2.8 | 10.4 ± 2.2 | NA |
E-cigarette nicotine | 19.4 ± 16.6 | 22.9 ± 16.6 | 22.9 ± 20.5 | 12.7 ± 11.6 | 7.0 ± 9.3 | 9.1 ± 8.6 | NA | |
Day 1 through Day 5 Mean | Cigarettes | NA | NA | NA | 44.7 ± 15.4 | 47.9 ± 13.6 | 50.5 ± 9.5 | NA |
E-cigarette nicotine | 86.1 ± 70.5 | 98.9 ± 75.1 | 99.0 ± 86.8 | 61.8 ± 45.9 | 31.9 ± 30.1 | 38.9 ± 36.4 | NA | |